goodformgroup.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:27:62:79:da:85:c6:05:97:f1:4d:0c:c5:30:b6:48:66:5f was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=goodformgroup.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:27:62:79:da:85:c6:05:97:f1:4d:0c:c5:30:b6:48:66:5f
Serial Number (int): 274738767148868068489194523460929839457887
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 04:45:49:fa:e8:0d:79:47:3d:29:ed:0b:6a:86:51:c8:2e:d2:30:bf
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e6:60:75:04:cc:6b:f5:f0:bf:80:07:e3:84:27:7f:6a:70:bd:8a:be
Fingerprint (sha256): 74:12:f3:d6:cd:b2:f6:a7:82:6c:f5:6d:f4:9d:1a:b5:93:78:a0:00:19:ed:b6:99:81:5d:6b:ea:ea:d7:dc:99

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate goodformgroup.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for goodformgroup.co.uk

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

goodformgroup.co.uk
www.goodformgroup.co.uk

Other certificates including the domain name goodformgroup.co.uk

(limited to 100 certificates)
goodformgroup.co.uk
goodformgroup.c4287967.myzen.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.c4287967.myzen.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk

Certificate

The complete raw certificate details for goodformgroup.co.uk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFDTCCA/WgAwIBAgISAydiedqFxgWX8U0MxTC2SGZfMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMzEwOTIwMDVaFw0yNDA0MzAwOTIwMDRaMB4xHDAaBgNVBAMT
E2dvb2Rmb3JtZ3JvdXAuY28udWswggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK
AoIBAQDC2yemk2kZ7QX4HdIqyzxth0Q9BYLDu91ChkNFVzEDAlRNwY4n/R8TfZMN
vmvOzFRVq+GoUqzq/LaEXeUGrqvg4vVSotzRTIi1i0Cj8XntjLcJQHPg4zOKVerU
OvQ8corx8gcHYNnyZeat2K1NfAmBgXZGnia8oP19K8chK0mwp40g2DUuUUbGoLoH
em1PJ6nywWbB3hSmAI13v9niMRhrYiUve5xLs3i1KkKfMl19vQq4jiq/6ccPXtnW
Af31FSmqWLGH0xxupIfg/r6howpW3wjVIPjmkkzTMHdroyKguEVurS2aaiX8cGFP
sq4Ry+qXPJyX6uvVltSD1kjVwK3XAgMBAAGjggIvMIICKzAOBgNVHQ8BAf8EBAMC
BaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAw
HQYDVR0OBBYEFARFSfroDXlHPSntC2qGUcgu0jC/MB8GA1UdIwQYMBaAFBQusxe3
WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0
cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5j
ci5vcmcvMDcGA1UdEQQwMC6CE2dvb2Rmb3JtZ3JvdXAuY28udWuCF3d3dy5nb29k
Zm9ybWdyb3VwLmNvLnVrMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBQYKKwYBBAHW
eQIEAgSB9gSB8wDxAHcASLDja9qmRzQP5WoC+p0w6xxSActW3SyB2bu/qznYhHMA
AAGNXwhyoAAABAMASDBGAiEA1Fwia7K0Vu1qSKfLV1SBNT9nFxlO07ddWJgTIeIY
ji0CIQC+UzTN/eX4Vu1fqnXP8eybPXWRmCYthB82jR3Q9GNdxAB2AO7N0GTV2xrO
xVy3nbTNE6Iyh0Z8vOzew1FIWUZxH7WbAAABjV8IcqIAAAQDAEcwRQIhAKalDZXd
T3wOMtQoLJaAooyJ3fKIAIgjz/yybxC32zjNAiBDgRhvO/N6Kvz8Efft5oRVZgAI
JWqMl5aeAmyhGVnr4zANBgkqhkiG9w0BAQsFAAOCAQEAgoBWpiE6wkQtC1BZIjrs
boXhAIVAJJRaTW1VqSVlAlXx2XH03hRRK3W9OJaTg9F5X+Ev2qP79UjAA9LtOz7M
eKS7V///cjbGJ3IEba3ssI0MUnRYPcVJ/xXBAOAyG5VfDYbkqVYN3mTVn++Nfv7t
+I4ppScohpckJfnXBzVqidx7AcYdUrW5GFiWurueXP5KD/9ozJ2Hq9GFEv9jWaar
z4c4q0KTEH5p/D0Th78OvtoX5SCh7/ryC0N3LaAUEYnmveDc9sKRj9TJje4CX4xb
8BHpK/VUP4EWdkKJultqf9iTAxd8Gjlu/+9rdhre8nYinyx/MvM2mzLuEe3/UpT3
4g==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwtsnppNpGe0F+B3SKss8
bYdEPQWCw7vdQoZDRVcxAwJUTcGOJ/0fE32TDb5rzsxUVavhqFKs6vy2hF3lBq6r
4OL1UqLc0UyItYtAo/F57Yy3CUBz4OMzilXq1Dr0PHKK8fIHB2DZ8mXmrditTXwJ
gYF2Rp4mvKD9fSvHIStJsKeNINg1LlFGxqC6B3ptTyep8sFmwd4UpgCNd7/Z4jEY
a2IlL3ucS7N4tSpCnzJdfb0KuI4qv+nHD17Z1gH99RUpqlixh9McbqSH4P6+oaMK
Vt8I1SD45pJM0zB3a6MioLhFbq0tmmol/HBhT7KuEcvqlzycl+rr1ZbUg9ZI1cCt
1wIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 274738767148868068489194523460929839457887
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-31 09:20:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-30 09:20:04 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'goodformgroup.co.uk'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24598300465251162290252763394913647683986616199058622535015853783107029085816623785527905060431238207325940793762048005059838244426405115540214092375532264886350656944151524662325567724705201812050386761776696251753214717810929501130734940535661283336553092713540556466361173227894236224736123754667390738216438946642272746974741315406942046964854302773091572185599919778096718760629429433996457569143192844622220892771307229975350319413077284183659620802996611273954770147660708562956686527989000528464164544638607730198353809168314750577511357413730614344994090864962349819421881330046983897102900557186099482504663
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							044549fae80d79473d29ed0b6a8651c82ed230bf
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'goodformgroup.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.goodformgroup.co.uk'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d5f0872a00000040300483046022100d45c226bb2b456ed6a48a7cb575481353f6717194ed3b75d58981321e2188e2d022100be5334cdfde5f856ed5faa75cff1ec9b3d759198262d841f368d1dd0f4635dc4007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d5f0872a20000040300473045022100a6a50d95dd4f7c0e32d4282c9680a28c89ddf288008823cffcb26f10b7db38cd02204381186f3bf37a2afcfc11f7ede68455660008256a8c97969e026ca11959ebe3
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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